Apparatus and method for measuring dark and bright reflectances of sheet material,申请号US19880187204-传众专利搜索

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发明名称	Apparatus and method for measuring dark and bright reflectances of sheet material
摘要
申请公布号	US4944594(A)	申请公布日期	1990.07.31
申请号	US19880187204	申请日期	1988.04.28
申请人	PROCESS AUTOMATION BUSINESS, INC.	发明人	BURK, GARY N.
分类号	G01N21/47;G01N21/86	主分类号	G01N21/47
代理机构		代理人
主权项
地址

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